Who Says Oil Has No Future?

In the vast, untapped oil sands of Alberta, Canada, Syncrude's upgrader looks like an industrial Martian base as it sucks oil out of the shale. There's are no spouts of black gold here — just bitumen, a viscous substance that has to be heated or diluted before it becomes liquid. The upgrader sits in an oil sand field… » 11/14/07 7:40am 11/14/07 7:40am